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Best LED Grow Lights 2020 | 2x4 Coverage Area

Updated: Jul 25



With an overwhelming amount of LED grow lights on the market today, it can be difficult to identify which ones are good vs junk. It's no secret that LED grow light technology is rapidly advancing. Some of the best LED grow lights released last year are no longer relevant this year. I’ve been studying horticulture lighting and growing with LED grow lights for over 5 years now, and because of that, I’m often asked what are the best LED grow lights on the market today.


In this article, I will reveal my picks for the Best LED Grow Lights in 2020. This list will include LED grow lights that have a flowering coverage area of 2’x4’ and are best for a full-cycle grow (from seedling through flowering). These are complete fixtures only. This list does not include DIY grow lights or lights that require significant assembly. The grow lights are listed in no specific order. For a LED grow light to make this list, I factor in: PAR output, efficiency, spectrum, light spread, diodes, drivers, and warranty. Since prices are always changing, click either the Amazon link or LED Grow Lights Depot link under each light for the most up-to-date price.


Need a better understanding of PAR output, spectrum, efficacy, energy consumption, or light spread? Check out this complete Buyer’s Guide for LED Grow Lights



The Green Sunshine Company ES300 V2 LED Grow Light


The Green Sunshine Company offers a 90-day money-back guarantee and a 3-Year Limited on all their grow lights, including the Electric Sky (ES300) V2. Created with Top-Bin Mid Power Wideband Diodes, it relies on Wideband Spectrum technology to create a full spectrum of intense light, which improves plant growth. This spectrum is dimmable and suitable for both vegetative and flower stages of growth. It has an impressive PPFD of 936 µmol/s/m2 at an 18" hang height, which increases to 1036 µmol/s/m2 at a 21" height. Impressively, it only pulls 300 watts and with no moving parts. It operates silently, with passive cooling. Each two-LED bar Electric Sky fixture provides for a 2' x 4′ to a 3' x 6' area, depending on the stage of growth. Every purchase comes with automatic enrollment in the Electric Sky Owner's Club, for ongoing user support.


The Green Sunshine Company link (Discount code: MRGROWIT)

Happy Hydro link (Discount code: MRGROWIT)

LED Grow Light Depot link

Amazon link


LEDs: Top-Bin Mid Power Wideband Diodes, GS2 Wideband Spectrum technology

PPFD: 936 to 1036 μmol/s/m² (height dependent)

PAR efficacy: 2.32 μmol/J

Wattage draw: 300w

Coverage area: Vegetative 3 x 6’ ; Flowering 2' x 4' to 2.5’ x 5’

Light distance: Vegetative 24" to 48", Flowering 18" to 20"

Dimensions: 36” x 12” x 2.5”

Weight: 22 lbs

Warranty: 3 Year Limited Warranty




Spider Farmer SF-2000 LED Grow Light


The SF-2000 Spider Farmer LED grow light is a low wattage LED light, with an impressive PPFD of 840 μmol/m²/s. It's a unique combination of full spectrum led grow light with a MeanWell driver. Plus, it's dimmable! This SF2000 model is essentially a combination of two smaller SF1000 models. The advanced full-spectrum Samsung LM301B diodes span a broad range, including white, blue, red, and infrared (3000K, 5000K, 660nm, and infrared at 760nm). It has no mechanical parts and produces a low level of heat, ideal for small spaces. The Spider Farmer SF-2000 has system efficacy of 2.7 μmol/J, which is an excellent output for such a low power usage. This brand is produced in China and comes with a 90-day all-inclusive warranty, plus an extended 3-Year Limited Warranty. The Spider Farmer fixture is rated for 40,000 to 50,000 hours.


Amazon link (Discount code: MRGROWIT5)


LEDs: Full Spectrum, Samsung LM301B diodes

PPFD: 840 μmol/s/m²

PAR efficacy: 2.7 μmol/J

Wattage draw: 200w

Coverage area: Vegetative 3’ x 4’, Flowering 2’ x 4’

Light distance: 12” to 30”

Dimensions: 25.5” x 10.55” x 2.3”

Weight: 10.32 lbs.

Warranty: 90-day all-inclusive parts warranty, 3-Year Limited Warranty




Mars Hydro SP-250 LED Grow Light


A recently improved model from Mars Hydro is the SP-250. The 734 individual Epistar diodes, with white, red, and UV, cover a broad spectrum from 380-410nm, 650-660nm, 730-740nm, 3000K-3200K, and 6000-6500K, which is an effective combination for all stages of plant growth. The UV diodes are specific to the SP-250 model and are hypothesized to increase yield quality (ex: potency). Mars Hydro has incorporated advanced SMD chip technology to lengthen the average product lifespan. A minimal wattage draw of 245w transforms into a moderate PPF of 490 μmol/s. The PAR efficacy is the industry average, at 2.5 μmol/J. An upgrade of previous models, the SP-250 comes with a dimmable and waterproof MeanWell driver. Furthermore, the light fixture itself is suitable for humid greenhouse growing thanks to the IP65 waterproof standard. Mars Hydro manufacturers in China, and has a 3 Year Limited Warranty.


Mars Hydro link (Discount code: MRGROWIT)

Amazon


LEDs: Epistar Full-spectrum white, red and UV diodes

PPF: 490 μmol/s/m²

PAR efficacy: 2.5 μmol/J

Wattage draw: 245w

Coverage area: Vegetative 3'x 6', Flower- 2'x 4'

Light distance: 12" to 24"

Dimensions: 42.5” x 3.45” x 3.15”

Weight: 12.5 lbs

Warranty: 3 Year Limited Warranty




Mars Hydro SP3000 LED Grow Light


Another new launch from Mars Hydro is the SP3000 LED Grow Light, with over 960 individual diodes. This model improves upon smaller fixtures by upgrading the diodes' quality to Samsung LM301B and Osram chips. These full spectrum diodes cover the essential full spectrum required for growing plants indoors, covering both 440 to 460nm (ideal for the vegetative stage) and 650 to 660nm (ideal for flowering). As Mars Hydro notes, by upgrading the diodes, this system technically produces less heat than their SP250 model. This new SP3000 model draws a moderate 300 watts, but has a system efficacy of 2.8 μmol/J. Much like smaller models, the SP3000 comes with a MeanWell driver with a multi-chain dimmable feature suitable for connecting up-to 15 lights. The SP3000 produces no noise, is IP65 standard waterproofing, and has an additional thick heat sink. It is a Chinese made fixture and comes with a 3-Year Limited Warranty.


Mars Hydro link (Discount code: MRGROWIT)


LEDs: Samsung LM301B and Osram 660nm led chips

PPF: N/A

PAR efficacy: 2.8 μmol/J

Wattage draw: 300w

Coverage area: Vegetative 4'x 5', Flower 2'x 4' to 2'x 5'

Light distance: 12" to 24"

Dimensions: 42.5" x 4" x 3.1"

Weight: 13.19 lbs

Warranty: 3 Year Limited Warranty




ChilLED Tech Growcraft X2 LED Grow Light


What goes into the ChilLED Growcraft X2 330W LED grow light? This LED grow light has a slim design and passive cooling technology, with a remote power driver location to reduce heat load even further. Even though it is only 1.375" thick, it still pumps out a PPF of 829 µmol/s with a PAR efficacy of 2.60 µmol/J. The total power draw is 330 watts. This ChilLED Growcraft x2 fixture relies on the Growcraft Yield Max Spectrum, combining the power of white, blue, and red chips, to take your grow from vegetative to flower. This gives growers completely customized and full spectrum control. Plus, the LEDs have a 10 to 100 percent dimming range. The fixture has two LED light bars, weighs 3.8 lbs, and measures 12.75" x 11.5" x 2.5". It is made in the USA and comes with a 3-Year Limited Warranty. ChilLED Grow Lights classifies this as the best in class for the price point.


Happy Hydro link (Discount code: MRGROWIT)

LED Grow Light Depot link


LEDs: 3rd Gen 2020 Samsung, Growcraft Yield Max Spectrum diodes

PPFD: 988 μmol/s/m²

PPF: 829 µmol/s

PAR efficacy: 2.60 µmol/J

Wattage draw: 330w

Coverage area: 2' x 4' standard, 3' x 5' max

Light distance: 6" to 24"

Dimensions: 42.5” x 19.5” x 1.375”

Weight: 12.6 lbs

Warranty: 3 Year Limited Warranty



ChilLED Tech Growcraft X3 LED Grow Light


Need improved performance? One step up from the ChilLED Growcraft X2 LED Grow Light is the ChilLED Growcraft X3 fixture. The primary difference is the addition of a third LED light bar, making this the "Best in Performance," according to ChilLED Grow Lights. A few other upgrades include the slightly better PAR efficacy at 2.76 µmol/J, better PPF value at 829 µmol/s, and the best light spread of the two models. The ChilLED Growcraft X3 edition still comes with 3rd Gen 2020 Samsung, Growcraft Yield Max Spectrum diodes for optimum customization, and the same dimensions (42.5" x 19.5" x 1.375") as its two-bar sister grow light. Despite the additional bar, it also continues to draw 330W. It is worth noting that the price per watt and per µmol are a few cents more expensive. ChiLED Grow Lights are built in the USA and come with a 3 Year Limited Warranty.


Happy Hydro link (Discount code: MRGROWIT)

LED Grow Light Depot link


LEDs: 3rd Gen 2020 Samsung, Growcraft Yield Max Spectrum diodes

PPFD: 1164 μmol/s/m²

PPF: 897 µmol/s

PAR efficacy: 2.76 µmol/J

Wattage draw: 330w

Coverage area: 2' x 4' standard, 3' x 5' max

Light distance: 6" to 24"

Dimensions: 42.5” x 19.5” x 1.375”

Weight: 17 lbs

Warranty: 3 Year Limited Warranty



Which LED grow light do you think is the best on this list? Do you think any other LED grow lights (with a 2’x4’ flowering coverage area) should have made this list? I’d also love to hear from growers using these LED grow lights. What do you like/dislike about these LED grow lights?



NEXT: LED Grow Light Buyers Guide

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